Published in Arkiv for Zoologi Stockholm, in 1907, in volume 3, issue 19, pages 1-7

Published in Arkiv For Zoologi Stockholm, in 1907, in volume 3, issue 24, pages 1-20

Published in Arkiv For Zoologi Stockholm, in 1907, in volume 3, issue 25, pages 1-16

Published in Arkiv For Zoologi Stockholm, in 1907, in volume 3, issue 27, pages 1-15